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A155302 as a simple table

n a(n)
4 1
5 4
6 10
7 19
8 31
9 129
10 761
11 3423
12 12503
13 65847
14 587331
15 5621100
16 47590431
17 445495212
18 5880381069
19 98943434625
20 1748899641272
21 32546795958370
22 732964964303388 

[1,4,10,19,31,129,761,3423,12503,65847,587331,
 5621100,47590431,445495212,5880381069,98943434625,
 1748899641272,32546795958370,732964964303388]

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Last modified April 24 17:10 EDT 2024. Contains 371962 sequences. (Running on oeis4.)